Table 1 Model parameters.
From: Numerical and experimental investigation of multi-species bacterial co-aggregation
Description | Parameter | Value | unit |
|---|---|---|---|
Nutrient diffusivity | \(D_n\) | \(10^{-6}\) | \(\mu \text {m}^2\ \text {Time}^{-1}\) |
Bacterial density threshold | \(\phi _{\text {cri}}\) | 0.1 | \(\mu \text {g}\ \mu \text {m}^{-3}\) |
Consumption rate | \(R_c \) | 50 | \( \mu \text {m}^3\ \mu \text {g}^{-1} \text {Time}^{-1}\) |
Co-aggregation coef. | \(R_{\alpha } \) | 15 | \(\mu \text {m}\ \text {Time}^{-1}\) |
Co-aggregation coef. | \(\tau \) | 1 | – |
First species growth coef. | \(R_{s1}\) | 500 | \( \mu \text {m}^3\ \mu \text {g}^{-1} \text {Time}^{-1}\) |
Second species growth coef. | \(R_{s2}\) | 500 | \( \mu \text {m}^3\ \mu \text {g}^{-1} \text {Time}^{-1}\) |
Phase-field coefficient for \(\alpha \) | M | \(10^{-4}\) | \(\text {Time}^{-1}\) |
Phase-field coefficient for \(\phi _1,\phi _2 \ \text {and}\ c\) | M | 0 | \(\text {Time}^{-1}\) |
Phase-field coefficient (diffusivity) | \(\varepsilon ^2 (D_b)\) | \(10^{-8}\) | \(\mu \text {m}^2\ \text {Time}^{-1}\) |
2D Computational domain size | \(100 \times 100\) | \(\mu \text {m}\) | |
Mesh size | 0.5 | \(\mu \text {m}\) |
